Yet optimists and pessimists alike are making the same mistake.

但是，乐观者与悲观者都犯了同样的错误。

youdao

I'm sure you've experienced that when optimists and realists discuss a project, there is often a clash of perspectives. The optimist is a visionary and focuses on the end goal.

我肯定你经历过当乐观主义者和现实主义者讨论一个项目的时候，通常会有冲突发生，乐观主义者喜欢设想并且集中在最后的目标上。

youdao

Both optimists and pessimists contribute to our society. The optimist invents the airplane and the pessimist the parachute.

乐观分子和悲观分子都对社会作出了贡献，前者发明了飞机，后者发明了降落伞。

youdao

Other people are both pessimists and optimists.

VOA: special.2011.04.00

we now have a return of the division between moderates, optimists and pessimists.

现在我们有了温和主义者，乐观主义者和悲观主义者之分。

耶鲁公开课 - 死亡课程节选

And in between the optimists on the one hand and the pessimists on the other, you've got moderates who say, " "It varies.

而在乐观主义者,与悲观主义者之间，还有折中主义者认为，“这要看情况。

耶鲁公开课 - 死亡课程节选

During the Great Moderation, right-wingers were generally economic optimists and left-wingers tended to be economic pessimists.

FORBES: Optimism and Pessimism on the Right

The gap between optimists and pessimists over Russia, always big, is thus widening again.

ECONOMIST: What the West should be doing about Russia

Optimists and pessimists have been battling it out since the Carter malaise era of the late 1970s.

FORBES: American Decline: More Wishful Thinking from the Naysayers